Apparatus for air sterilization



FIG. 1 is a top, front and side perspective view of apparatus for air sterilization showing my new design;

FIG. 2 is a top, front and back perspective view;

FIG. 3 is a side elevational view;

FIG. 4 is a front elevational view; and,

FIG. 5 is a top plan view.

The broken lines depict portions of the apparatus for air sterilization that form no part of the claimed design. 

The ornamental design for apparatus for air sterilization, as shown and described. 